package main

import (
    "fmt"
)

func main() {
    arr := []int{1, 2, 3, 5, 6, 6, 7, 7, 7, 8, 8, 8, 8, 9}
    limit := 5

    for i := 0; i < len(arr); i += limit {
        batch := arr[i:min(i+limit, len(arr))]
        fmt.Println(batch)
    }

}

func min(a, b int) int {
    if a <= b {
        return a
    }
    return b
}